Thornhill

Current Weather

19°67°

Partly Cloudy

Feels Like: 20°68°

Min: 17°62°

Max: 29°85°

The next few hours will be mostly cloudy, with today reaching 29°C and dropping to 17°C. The coming days will be drizzle

Hourly Forecast
18°65°20°68°21°71°24°75°26°80°29°84°29°84°29°84°29°85°28°83°27°81°26°79°25°77°24°74°22°72°21°70°20°68°19°66°19°65°18°65°18°64°17°63°17°63°17°63°
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24%
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Air Quality
29
Good

Air quality is satisfactory, and air pollution poses little or no risk.

GoodHazardous
Daylight Hours

05:39

Sunrise

18:20

Sunset

12 hours 40 minutes of sunlight today
Moon

05:43

Moonrise

19:22

Moonset

Daily Forecast

Today

17°62°
29°85°

Monday

17°63°
30°86°

Tuesday

13°56°
19°66°

Wednesday

12°54°
28°82°

Thursday

16°61°
31°87°

Friday

16°60°
31°88°

Saturday

14°57°
26°78°

Sunday

14°57°
20°67°

Monday

12°54°
23°73°

Tuesday

10°51°
28°83°
UV Index
No protection needed
0Low
LowExtreme
Humidity
64%Comfortable
LowHigh
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Weather in Thornhill today, October 11, 2026

Expect a mostly clear day in Thornhill on October 11, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. The first half of the day looks overcast, as cloud amounts reach about 81% around 11:00. Brighter weather, if it comes, waits until later.Expect a mostly clear day in Thornhill on October 11, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. The first half of the day looks overcast, as cloud amounts reach about 81% around 11:00. Brighter weather, if it comes, waits until later.

The day peaks near 29°C and cools toward 17°C. Moisture in the air spans 32%-71%, with the highest values around 23:00. Wind is a factor, climbing to about 27 km/h around 11:00.The day peaks near 85°F and cools toward 62°F. Moisture in the air spans 32%-71%, with the highest values around 23:00. Wind is a factor, climbing to about 17 mph around 11:00.

Expect the wet theme to continue later, as rain odds reach 24% near 15:00. Cloud amounts hold near 93% around 14:00. Expect visibility around 16.1 km. Sunrise is at 05:39 and sunset at 18:20, giving 12 hours 40 minutes of sunlight today.Expect the wet theme to continue later, as rain odds reach 24% near 15:00. Cloud amounts hold near 93% around 14:00. Expect visibility around 10 mi. Sunrise is at 05:39 and sunset at 18:20, giving 12 hours 40 minutes of sunlight today.

Overall, Thornhill on October 11, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 24% and the high sits around 29°C.Overall, Thornhill on October 11, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 24% and the high sits around 85°F.

Frequently asked questions about weather in Thornhill

How warm does it get in Thornhill?

The warmest month in Thornhill is January, with average high temperatures of 28°C. The average temperature during this period is around 20°C.The warmest month in Thornhill is January, with average high temperatures of 82°F. The average temperature during this period is around 69°F.

How cold does it get in Thornhill?

The coldest month in Thornhill is July, with average low temperatures of 2°C. The average temperature during this period is around 9°C.The coldest month in Thornhill is July, with average low temperatures of 35°F. The average temperature during this period is around 48°F.

What is the wettest time of year in Thornhill?

The wettest month in Thornhill is January, with an average of 99 mm of precipitation.The wettest month in Thornhill is January, with an average of 3.9 in of precipitation.

What is the driest time of year in Thornhill?

The driest month in Thornhill is August, with an average of 12 mm of precipitation.The driest month in Thornhill is August, with an average of 0.5 in of precipitation.

View full climate insights for Thornhill →